Application practice of geology and engineering integration in
Panzhuang CBM Field, Qinshui Basin

doi:10.3969/j.issn.1672-7703.2022.01.011

Abstract

Abstract: Panzhuang CBM Field has the highest CBM production in China. Multi set coal seams are developed, with superior geological conditions such as shallow burial depth, large thickness, high gas content, and high permeability, as well as abundant CBM resources. In the process of CBM development, a series of technical difficulties occurred, such as poor production result of the main No. 3 coal seam, rapid decline, and no breakthrough in development of No. 15 coal seam. In view of these problems, geological characteristics of each coal seam are studied in detail, geological evaluation technology of thick and thin coal interbeds is researched, CBM exploration and development technologies for thick and thin coal interbeds and desulfurization are researched, and cooperative work platform is established with geology and engineering integration. This study is based on the early geological and engineering knowledge, and makes full use of the existing seismic data, coalfield boreholes, and CBM wells data. The repeated engineering tests and comparison of different well types enable to develop four series of CBM exploration and development technology for thick and thin coal interbeds, including comprehensive geological evaluation,development of single lateral horizontal well for thick coal seam, desulfurization development of No. 15 coal seam, and commingle production of multi-layer thin coal seams, and establish the optimal stereoscopic CBM development mode, which realize the low-cost and high-efficiency production of low-grade and difficult-to-utilize resources.

CLC Number:

TE375

Mi Honggang, Zhu Guanghui, Zhao Wei, Zhang Bing, Peng Wenchun, Liu Hongxing, Wu Jian. Application practice of geology and engineering integration in Panzhuang CBM Field, Qinshui Basin[J]. China Petroleum Exploration, 2022, 27(1): 120-126.

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Application practice of geology and engineering integration in Panzhuang CBM Field, Qinshui Basin

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